a giant planet which is surrounded by three planar concentric rings of ice particles; 6th planet from the sun
发音
例句
1. Astronomers used to ask why only Saturn has rings. 天文学家们过去一直感到奇怪,为什么只有土星有光环。 2. These comparisons suggested that Saturn is made of lighter materials. 这些比较告诉我们,土星由较轻的物质构成。